With Wheeler out for the season, Dillion Gee steps from bullpen role back into the Mets’ starting rotation

PORT ST. LUCIE, Fla.—Zack Wheeler, an integral member of the Mets’ group of heralded young pitchers, worked very hard last season.

Wheeler threw an average of 17.8 pitches in his 1851/3 innings in 2014, the highest ratio in the National League. He threw an average of 103.4 pitches in his 32 outings, the highest ratio of any pitcher in baseball under the age of 25. Thirteen times, he threw at least 110 pitches in a game; no other...